btn_n = new Image();
btn_n.src = 'img/n_ok.gif';
btn_1 = new Image();
btn_1.src = 'img/1_ok.gif';
btn_2 = new Image();
btn_2.src = 'img/2_ok.gif';

function minuscule(champs) {
var texte = document.forms['formLogin'].elements[champs].value ;
var cible = document.forms['formLogin'].elements[''+champs+''] ; 
var texteMin = texte.toLowerCase() ;
cible.value = texteMin ;
}

function favoris() { 
      if ( navigator.appName != 'Microsoft Internet Explorer' ){ 
          window.sidebar.addPanel("Sport4tune, aide au loto foot","http://fwww.sport4tune.com/",""); 
      } 
      else { 
          window.external.AddFavorite("http://www.sport4tune.com/","Sport4tune, aide au loto foot"); 
      } 
}